| 摘要 |
The invention relates to an oil level sensor (7) which is associated with a tank (3) containing oil (5) and comprisesing a movable float (15) that is movable along guide means (17) and which can float on the oil (5) in the tank (3), in order to move with the oil level, a permanent magnet (19) that is movable with the float, and an electronic circuit board (20) having magnetic switches sensitive to said magnet. The guide means (17) of the spherical float are arranged around the float (15) and have, with said float, contacts limited to three substantially linear areas (17a, 17b, 17c). |
